Amigo Quaking Aspen

Populus tremula 'Erecta'
Appearance: A very narrow, fastigiate (columnar) tree with upright branches, commonly used as a screen or barrier.  Known for bright yellow to orange-red fall foliage.

Care and Maintenance:  require consistent, deep watering (especially in the first 3 years),10–12 feet of spacing for proper growth, and protection from suckering caused by root disruption.
Mature Height:  40'     Mature Spread:  10'
Growth Rate:  Fast
Hardiness Zone:  1a
Sunlight:  Full sun